| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.25 | -0.22 |
| Feb | 2.95 | 3.19 | -0.24 |
| Mar | 3.57 | 3.71 | -0.14 |
| Apr | 3.98 | 4.13 | -0.15 |
| May | 5.18 | 5.25 | -0.07 |
| Jun | 5.70 | 5.81 | -0.11 |
| Jul | 4.23 | 4.61 | -0.38 |
| Aug | 5.05 | 5.40 | -0.35 |
| Sep | 5.19 | 5.60 | -0.41 |
| Oct | 5.01 | 5.02 | -0.01 |
| Nov | 4.20 | 4.63 | -0.43 |
| Dec | 4.04 | 4.20 | -0.16 |
53.13 | 55.80 | -2.67 |