| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.64 | -0.04 |
| Feb | 1.72 | 1.80 | -0.08 |
| Mar | 3.20 | 3.11 | 0.09 |
| Apr | 4.51 | 4.24 | 0.27 |
| May | 5.85 | 5.86 | -0.01 |
| Jun | 4.94 | 4.89 | 0.05 |
| Jul | 3.59 | 3.71 | -0.12 |
| Aug | 3.55 | 3.29 | 0.26 |
| Sep | 3.92 | 3.66 | 0.26 |
| Oct | 3.59 | 3.52 | 0.07 |
| Nov | 2.73 | 2.62 | 0.11 |
| Dec | 2.30 | 2.19 | 0.11 |
41.50 | 40.53 | 0.97 |