| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.03 | 0.04 |
| Feb | 2.37 | 2.36 | 0.01 |
| Mar | 3.42 | 3.32 | 0.10 |
| Apr | 4.30 | 4.11 | 0.19 |
| May | 4.70 | 4.50 | 0.20 |
| Jun | 4.47 | 4.44 | 0.03 |
| Jul | 4.31 | 4.27 | 0.04 |
| Aug | 3.18 | 3.17 | 0.01 |
| Sep | 3.23 | 3.09 | 0.14 |
| Oct | 2.86 | 2.85 | 0.01 |
| Nov | 3.14 | 2.94 | 0.20 |
| Dec | 3.04 | 2.99 | 0.05 |
42.09 | 41.07 | 1.02 |