| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.55 | -0.16 |
| Feb | 1.37 | 1.58 | -0.21 |
| Mar | 2.12 | 2.16 | -0.04 |
| Apr | 3.65 | 3.80 | -0.15 |
| May | 4.17 | 4.29 | -0.12 |
| Jun | 5.36 | 5.33 | 0.03 |
| Jul | 4.32 | 4.47 | -0.15 |
| Aug | 4.02 | 4.10 | -0.08 |
| Sep | 3.58 | 3.50 | 0.08 |
| Oct | 2.88 | 2.86 | 0.02 |
| Nov | 2.19 | 2.21 | -0.02 |
| Dec | 1.57 | 1.77 | -0.20 |
36.62 | 37.62 | -1.00 |