| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.74 | -0.06 |
| Feb | 2.88 | 2.98 | -0.10 |
| Mar | 4.15 | 4.30 | -0.15 |
| Apr | 3.99 | 4.09 | -0.10 |
| May | 4.16 | 4.21 | -0.05 |
| Jun | 4.81 | 4.95 | -0.14 |
| Jul | 4.93 | 4.76 | 0.17 |
| Aug | 4.51 | 4.60 | -0.09 |
| Sep | 4.62 | 4.54 | 0.08 |
| Oct | 4.60 | 4.65 | -0.05 |
| Nov | 3.62 | 3.70 | -0.08 |
| Dec | 4.53 | 4.61 | -0.08 |
50.48 | 51.13 | -0.65 |