| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.42 | -0.30 |
| Feb | 2.87 | 3.02 | -0.15 |
| Mar | 3.74 | 3.88 | -0.14 |
| Apr | 3.84 | 4.00 | -0.16 |
| May | 3.51 | 3.66 | -0.15 |
| Jun | 4.23 | 4.32 | -0.09 |
| Jul | 3.99 | 4.08 | -0.09 |
| Aug | 4.14 | 4.19 | -0.05 |
| Sep | 4.11 | 4.24 | -0.13 |
| Oct | 4.46 | 4.80 | -0.34 |
| Nov | 3.53 | 3.71 | -0.18 |
| Dec | 4.01 | 4.34 | -0.33 |
45.55 | 47.66 | -2.11 |