| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.91 | -0.15 |
| Feb | 2.28 | 2.48 | -0.20 |
| Mar | 3.10 | 3.22 | -0.12 |
| Apr | 4.16 | 4.33 | -0.17 |
| May | 4.48 | 4.59 | -0.11 |
| Jun | 4.90 | 4.90 | 0.00 |
| Jul | 4.05 | 4.12 | -0.07 |
| Aug | 3.27 | 3.02 | 0.25 |
| Sep | 3.16 | 3.25 | -0.09 |
| Oct | 3.10 | 3.09 | 0.01 |
| Nov | 3.36 | 3.50 | -0.14 |
| Dec | 2.70 | 2.89 | -0.19 |
41.32 | 42.30 | -0.98 |