| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.20 | -0.11 |
| Feb | 1.39 | 1.54 | -0.15 |
| Mar | 1.85 | 1.90 | -0.05 |
| Apr | 2.79 | 2.83 | -0.04 |
| May | 2.98 | 2.94 | 0.04 |
| Jun | 2.82 | 2.88 | -0.06 |
| Jul | 2.64 | 2.54 | 0.10 |
| Aug | 2.91 | 2.76 | 0.15 |
| Sep | 3.46 | 3.62 | -0.16 |
| Oct | 3.98 | 4.01 | -0.03 |
| Nov | 2.64 | 2.93 | -0.29 |
| Dec | 2.19 | 2.45 | -0.26 |
31.74 | 32.60 | -0.86 |