| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.68 | -0.11 |
| Feb | 0.68 | 0.78 | -0.10 |
| Mar | 1.38 | 1.60 | -0.22 |
| Apr | 2.16 | 2.55 | -0.39 |
| May | 2.50 | 2.74 | -0.24 |
| Jun | 1.73 | 1.78 | -0.05 |
| Jul | 1.88 | 1.76 | 0.12 |
| Aug | 1.86 | 1.83 | 0.03 |
| Sep | 1.34 | 1.36 | -0.02 |
| Oct | 1.21 | 1.32 | -0.11 |
| Nov | 0.86 | 1.00 | -0.14 |
| Dec | 0.60 | 0.78 | -0.18 |
16.77 | 18.18 | -1.41 |