| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.80 | 0.01 |
| Feb | 0.80 | 0.88 | -0.08 |
| Mar | 1.17 | 1.27 | -0.10 |
| Apr | 1.44 | 1.34 | 0.10 |
| May | 2.20 | 2.13 | 0.07 |
| Jun | 2.77 | 2.71 | 0.06 |
| Jul | 2.14 | 2.42 | -0.28 |
| Aug | 1.75 | 1.53 | 0.22 |
| Sep | 4.54 | 4.57 | -0.03 |
| Oct | 2.32 | 2.03 | 0.29 |
| Nov | 1.23 | 1.22 | 0.01 |
| Dec | 1.03 | 0.94 | 0.09 |
22.20 | 21.84 | 0.36 |