| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.81 | 0.07 |
| Feb | 2.90 | 3.01 | -0.11 |
| Mar | 3.53 | 3.51 | 0.02 |
| Apr | 3.99 | 3.94 | 0.05 |
| May | 5.04 | 5.00 | 0.04 |
| Jun | 5.13 | 4.97 | 0.16 |
| Jul | 3.92 | 3.86 | 0.06 |
| Aug | 4.71 | 4.80 | -0.09 |
| Sep | 4.62 | 4.79 | -0.17 |
| Oct | 4.91 | 4.81 | 0.10 |
| Nov | 4.30 | 4.29 | 0.01 |
| Dec | 3.91 | 3.97 | -0.06 |
50.84 | 50.76 | 0.08 |