| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.47 | -0.33 |
| Feb | 2.57 | 2.75 | -0.18 |
| Mar | 3.71 | 3.90 | -0.19 |
| Apr | 3.71 | 3.95 | -0.24 |
| May | 4.18 | 4.38 | -0.20 |
| Jun | 4.10 | 4.16 | -0.06 |
| Jul | 4.00 | 3.95 | 0.05 |
| Aug | 3.42 | 3.70 | -0.28 |
| Sep | 4.66 | 4.93 | -0.27 |
| Oct | 3.69 | 3.98 | -0.29 |
| Nov | 3.14 | 3.26 | -0.12 |
| Dec | 3.45 | 3.68 | -0.23 |
43.77 | 46.11 | -2.34 |