| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.19 | -0.34 |
| Feb | 2.52 | 2.79 | -0.27 |
| Mar | 3.12 | 3.17 | -0.05 |
| Apr | 3.53 | 3.73 | -0.20 |
| May | 4.00 | 4.11 | -0.11 |
| Jun | 5.10 | 4.80 | 0.30 |
| Jul | 4.85 | 5.01 | -0.16 |
| Aug | 4.48 | 4.62 | -0.14 |
| Sep | 3.74 | 3.74 | 0.00 |
| Oct | 4.50 | 4.61 | -0.11 |
| Nov | 3.46 | 3.65 | -0.19 |
| Dec | 3.58 | 3.87 | -0.29 |
45.73 | 47.29 | -1.56 |