| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.34 | 0.05 |
| Feb | 1.56 | 1.60 | -0.04 |
| Mar | 2.76 | 2.71 | 0.05 |
| Apr | 3.73 | 3.62 | 0.11 |
| May | 4.98 | 5.01 | -0.03 |
| Jun | 4.86 | 4.88 | -0.02 |
| Jul | 3.71 | 3.44 | 0.27 |
| Aug | 3.34 | 3.24 | 0.10 |
| Sep | 3.60 | 3.59 | 0.01 |
| Oct | 3.45 | 3.42 | 0.03 |
| Nov | 2.19 | 2.12 | 0.07 |
| Dec | 1.95 | 1.86 | 0.09 |
37.52 | 36.83 | 0.69 |