| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.20 | -0.18 |
| Feb | 1.23 | 1.41 | -0.18 |
| Mar | 1.97 | 2.14 | -0.17 |
| Apr | 3.81 | 3.86 | -0.05 |
| May | 4.46 | 4.64 | -0.18 |
| Jun | 5.59 | 5.70 | -0.11 |
| Jul | 4.32 | 4.38 | -0.06 |
| Aug | 4.26 | 4.21 | 0.05 |
| Sep | 3.61 | 3.88 | -0.27 |
| Oct | 2.90 | 2.98 | -0.08 |
| Nov | 2.12 | 2.19 | -0.07 |
| Dec | 1.55 | 1.67 | -0.12 |
36.84 | 38.26 | -1.42 |