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Heat Advisory
2026-07-20T20:00:00-05:00

* WHAT...Heat index values up to 108 expected. * WHERE...Lincoln, Payne, Pottawatomie, Seminole, Grant, Kay, Noble, and Alfalfa Counties. * WHEN...From 1 PM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Salt Fork Arkansas River At Tonkawa, Ok Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 840.96
01-02 834.64
01-03 737.17
01-04 649.26
01-05 574.55
01-06 535.41
01-07 519.21
01-08 447.85
01-09 443.74
01-10 409.25
01-11 480.68
01-12 474.41
01-13 766.79
01-14 560.46
01-15 471.94
01-16 418.31
01-17 352.5
01-18 291.83
01-19 330.92
01-20 323.68
01-21 357.33
01-22 348.03
01-23 297.78
01-24 314.32
01-25 337.98
01-26 423.35
01-27 438.08
01-28 361.8
01-29 394.46
01-30 320.12
01-31 460.84
02-01 451.82
02-02 425.7
02-03 350.73
02-04 540.15
02-05 843.27
02-06 325.55
02-07 533.59
02-08 426.71
02-09 387.96
02-10 292.85
02-11 255.04
02-12 7360.77
02-13 340.14
02-14 343.85
02-15 352.31
02-16 6381.12
02-17 6842.02
02-18 6840.52
02-19 6373.11
02-20 6368.01
02-21 360.01
02-22 317.57
02-23 310.01
02-24 292.59
02-25 341.48
02-26 345.32
02-27 332.62
02-28 303.01
02-29 420.75
03-01 293.49
03-02 296.67
03-03 260.56
03-04 248.59
03-05 246.59
03-06 250.71
03-07 245.82
03-08 370.25
03-09 430.79
03-10 438.88
03-11 414.65
03-12 330.57
03-13 399.71
03-14 855.18
03-15 761.57
03-16 538.97
03-17 512.98
03-18 512.95
03-19 532.8
03-20 744.7
03-21 475.33
03-22 414.92
03-23 793.47
03-24 1084.29
03-25 1144.89
03-26 966.69
03-27 697.93
03-28 615.25
03-29 563.92
03-30 829.97
03-31 759.8
04-01 586.81
04-02 481.35
04-03 444.93
04-04 468.56
04-05 426.21
04-06 395.25
04-07 384.39
04-08 348.34
04-09 334.33
04-10 319.85
04-11 302.79
04-12 324.21
04-13 371.51
04-14 314.31
04-15 316.83
04-16 387.15
04-17 315.95
04-18 338.03
04-19 336.06
04-20 396.25
04-21 476.92
04-22 720.81
04-23 902.28
04-24 982.15
04-25 803.18
04-26 672.47
04-27 684.68
04-28 641.19
04-29 646.27
04-30 1149.08
05-01 1487.26
05-02 1141.36
05-03 825.72
05-04 1847.55
05-05 1475.12
05-06 1440.67
05-07 1666.71
05-08 1382.46
05-09 2046.91
05-10 1965.04
05-11 1701.97
05-12 1620.69
05-13 1470.31
05-14 948.64
05-15 1066.69
05-16 1021.37
05-17 1048.52
05-18 1319.41
05-19 1289.79
05-20 1342.55
05-21 2043.53
05-22 4646.39
05-23 3050.22
05-24 2781.11
05-25 3099.79
05-26 3646.39
05-27 3889.87
05-28 2931.33
05-29 2618.8
05-30 2371.53
05-31 2021.87
06-01 1714.33
06-02 1649.2
06-03 1689.07
06-04 1600.27
06-05 1700.57
06-06 1631.93
06-07 3302.86
06-08 3000.47
06-09 2757.27
06-10 2170.47
06-11 1947.07
06-12 1761.36
06-13 1399.14
06-14 1229.29
06-15 1814.8
06-16 1557.4
06-17 1224.27
06-18 1421.93
06-19 2121.5
06-20 1632.64
06-21 1204.5
06-22 1336.57
06-23 1830.0
06-24 1182.07
06-25 1302.79
06-26 1418.93
06-27 1290.93
06-28 1400.5
06-29 1030.64
06-30 996.07
07-01 1232.0
07-02 1179.29
07-03 1094.71
07-04 997.83
07-05 846.08
07-06 783.8
07-07 775.43
07-08 1190.69
07-09 1030.23
07-10 6844.14
07-11 909.5
07-12 792.06
07-13 905.32
07-14 808.47
07-15 674.45
07-16 545.35
07-17 449.49
07-18 385.52
07-19 475.46
07-20 525.59
07-21 465.08
07-22 464.01
07-23 608.94
07-24 678.15
07-25 467.55
07-26 556.35
07-27 462.55
07-28 416.58
07-29 435.09
07-30 953.61
07-31 1200.22
08-01 1270.69
08-02 1175.92
08-03 835.97
08-04 573.95
08-05 431.86
08-06 403.1
08-07 445.49
08-08 353.32
08-09 398.27
08-10 435.02
08-11 645.11
08-12 1225.28
08-13 1093.15
08-14 838.85
08-15 671.69
08-16 577.53
08-17 516.38
08-18 566.47
08-19 478.43
08-20 388.35
08-21 369.49
08-22 315.02
08-23 506.67
08-24 318.25
08-25 271.13
08-26 264.17
08-27 288.45
08-28 244.82
08-29 293.41
08-30 407.67
08-31 231.53
09-01 339.61
09-02 541.2
09-03 405.02
09-04 371.33
09-05 424.79
09-06 405.54
09-07 368.19
09-08 337.13
09-09 605.02
09-10 485.27
09-11 359.78
09-12 327.35
09-13 331.95
09-14 297.17
09-15 275.74
09-16 236.05
09-17 243.33
09-18 215.21
09-19 265.27
09-20 237.74
09-21 217.49
09-22 194.53
09-23 215.64
09-24 205.33
09-25 188.52
09-26 363.23
09-27 642.92
09-28 396.74
09-29 344.67
09-30 254.45
10-01 408.6
10-02 344.99
10-03 291.03
10-04 299.82
10-05 792.68
10-06 766.3
10-07 2076.88
10-08 1243.96
10-09 1334.76
10-10 1546.82
10-11 1316.59
10-12 1190.66
10-13 900.92
10-14 776.09
10-15 799.51
10-16 268.68
10-17 684.51
10-18 660.01
10-19 612.72
10-20 207.84
10-21 202.8
10-22 488.21
10-23 466.58
10-24 410.52
10-25 376.94
10-26 346.84
10-27 424.36
10-28 369.68
10-29 346.26
10-30 608.69
10-31 613.38
11-01 541.93
11-02 476.23
11-03 369.78
11-04 343.71
11-05 322.32
11-06 278.07
11-07 307.54
11-08 330.15
11-09 449.75
11-10 306.73
11-11 253.95
11-12 224.07
11-13 204.34
11-14 215.54
11-15 213.06
11-16 204.72
11-17 214.82
11-18 214.41
11-19 193.62
11-20 198.68
11-21 205.06
11-22 212.46
11-23 257.15
11-24 239.64
11-25 243.1
11-26 251.45
11-27 345.43
11-28 249.66
11-29 256.66
11-30 256.65
12-01 300.69
12-02 401.58
12-03 327.26
12-04 390.41
12-05 339.91
12-06 317.08
12-07 275.31
12-08 227.34
12-09 228.32
12-10 247.46
12-11 241.97
12-12 222.63
12-13 220.93
12-14 215.92
12-15 197.33
12-16 207.96
12-17 369.6
12-18 313.09
12-19 275.85
12-20 520.35
12-21 1149.0
12-22 658.13
12-23 248.39
12-24 275.85
12-25 709.8
12-26 554.8
12-27 582.16
12-28 670.42
12-29 730.8
12-30 738.89
12-31 726.66

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index