| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 4.92 | 0.05 |
| Feb | 5.22 | 5.16 | 0.06 |
| Mar | 5.05 | 5.04 | 0.01 |
| Apr | 4.95 | 5.11 | -0.16 |
| May | 3.85 | 4.27 | -0.42 |
| Jun | 4.45 | 4.54 | -0.09 |
| Jul | 4.57 | 5.33 | -0.76 |
| Aug | 3.85 | 3.67 | 0.18 |
| Sep | 4.06 | 4.02 | 0.04 |
| Oct | 3.52 | 3.02 | 0.50 |
| Nov | 4.49 | 4.09 | 0.40 |
| Dec | 5.86 | 5.63 | 0.23 |
54.84 | 54.80 | 0.04 |