| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.80 | -0.06 |
| Feb | 0.79 | 0.83 | -0.04 |
| Mar | 1.55 | 1.57 | -0.02 |
| Apr | 2.82 | 2.99 | -0.17 |
| May | 4.18 | 4.30 | -0.12 |
| Jun | 4.57 | 4.50 | 0.07 |
| Jul | 4.26 | 4.33 | -0.07 |
| Aug | 4.18 | 4.13 | 0.05 |
| Sep | 3.20 | 3.20 | 0.00 |
| Oct | 2.88 | 2.75 | 0.13 |
| Nov | 1.58 | 1.64 | -0.06 |
| Dec | 1.08 | 1.19 | -0.11 |
31.83 | 32.23 | -0.40 |