| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.50 | 0.05 |
| Feb | 0.42 | 0.39 | 0.03 |
| Mar | 0.52 | 0.52 | 0.00 |
| Apr | 0.42 | 0.45 | -0.03 |
| May | 0.56 | 0.48 | 0.08 |
| Jun | 0.44 | 0.53 | -0.09 |
| Jul | 1.83 | 1.73 | 0.10 |
| Aug | 2.11 | 1.93 | 0.18 |
| Sep | 1.30 | 1.21 | 0.09 |
| Oct | 0.85 | 0.84 | 0.01 |
| Nov | 0.77 | 0.57 | 0.20 |
| Dec | 0.63 | 0.67 | -0.04 |
10.40 | 9.82 | 0.58 |