| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.91 | -0.01 |
| Feb | 0.98 | 0.97 | 0.01 |
| Mar | 1.88 | 1.80 | 0.08 |
| Apr | 3.25 | 2.95 | 0.30 |
| May | 4.43 | 4.34 | 0.09 |
| Jun | 5.50 | 5.20 | 0.30 |
| Jul | 4.55 | 4.29 | 0.26 |
| Aug | 4.67 | 4.57 | 0.10 |
| Sep | 3.64 | 3.46 | 0.18 |
| Oct | 2.62 | 2.48 | 0.14 |
| Nov | 1.68 | 1.64 | 0.04 |
| Dec | 1.19 | 1.21 | -0.02 |
35.29 | 33.82 | 1.47 |