| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.93 | -0.17 |
| Feb | 0.79 | 0.91 | -0.12 |
| Mar | 1.58 | 1.70 | -0.12 |
| Apr | 2.88 | 3.05 | -0.17 |
| May | 4.18 | 4.29 | -0.11 |
| Jun | 4.70 | 4.85 | -0.15 |
| Jul | 4.17 | 4.30 | -0.13 |
| Aug | 4.50 | 4.68 | -0.18 |
| Sep | 3.22 | 3.29 | -0.07 |
| Oct | 2.62 | 2.72 | -0.10 |
| Nov | 1.57 | 1.67 | -0.10 |
| Dec | 1.06 | 1.26 | -0.20 |
32.03 | 33.65 | -1.62 |