| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 4.67 | 0.18 |
| Feb | 3.10 | 3.12 | -0.02 |
| Mar | 3.47 | 3.60 | -0.13 |
| Apr | 2.78 | 2.88 | -0.10 |
| May | 2.37 | 2.33 | 0.04 |
| Jun | 1.77 | 1.79 | -0.02 |
| Jul | 1.02 | 1.02 | 0.00 |
| Aug | 1.16 | 1.07 | 0.09 |
| Sep | 2.11 | 2.00 | 0.11 |
| Oct | 3.92 | 3.91 | 0.01 |
| Nov | 5.51 | 5.90 | -0.39 |
| Dec | 4.73 | 4.76 | -0.03 |
36.79 | 37.05 | -0.26 |