| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.90 | -0.02 |
| Feb | 0.93 | 0.92 | 0.01 |
| Mar | 1.74 | 1.78 | -0.04 |
| Apr | 3.20 | 3.05 | 0.15 |
| May | 4.35 | 4.23 | 0.12 |
| Jun | 5.03 | 5.16 | -0.13 |
| Jul | 4.50 | 4.57 | -0.07 |
| Aug | 4.51 | 4.41 | 0.10 |
| Sep | 3.54 | 3.53 | 0.01 |
| Oct | 2.49 | 2.53 | -0.04 |
| Nov | 1.56 | 1.53 | 0.03 |
| Dec | 1.17 | 1.19 | -0.02 |
33.90 | 33.80 | 0.10 |