| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.79 | 0.04 |
| Feb | 4.23 | 4.28 | -0.05 |
| Mar | 5.14 | 5.13 | 0.01 |
| Apr | 5.60 | 5.57 | 0.03 |
| May | 5.64 | 5.39 | 0.25 |
| Jun | 3.74 | 3.71 | 0.03 |
| Jul | 3.93 | 3.84 | 0.09 |
| Aug | 3.56 | 3.26 | 0.30 |
| Sep | 3.29 | 3.41 | -0.12 |
| Oct | 4.50 | 4.45 | 0.05 |
| Nov | 4.76 | 4.95 | -0.19 |
| Dec | 5.10 | 5.26 | -0.16 |
53.32 | 53.04 | 0.28 |