| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.65 | -0.01 |
| Feb | 0.58 | 0.53 | 0.05 |
| Mar | 0.58 | 0.57 | 0.01 |
| Apr | 0.53 | 0.52 | 0.01 |
| May | 0.90 | 0.86 | 0.04 |
| Jun | 1.32 | 1.46 | -0.14 |
| Jul | 3.27 | 3.24 | 0.03 |
| Aug | 3.04 | 2.95 | 0.09 |
| Sep | 2.11 | 2.23 | -0.12 |
| Oct | 1.38 | 1.20 | 0.18 |
| Nov | 0.59 | 0.61 | -0.02 |
| Dec | 0.97 | 0.85 | 0.12 |
15.91 | 15.67 | 0.24 |