| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.48 | 0.05 |
| Feb | 3.47 | 3.32 | 0.15 |
| Mar | 3.96 | 4.07 | -0.11 |
| Apr | 4.05 | 3.86 | 0.19 |
| May | 4.76 | 4.90 | -0.14 |
| Jun | 4.24 | 4.40 | -0.16 |
| Jul | 4.93 | 5.01 | -0.08 |
| Aug | 3.95 | 3.82 | 0.13 |
| Sep | 3.41 | 3.53 | -0.12 |
| Oct | 2.80 | 2.72 | 0.08 |
| Nov | 2.87 | 2.84 | 0.03 |
| Dec | 3.77 | 3.62 | 0.15 |
45.74 | 45.57 | 0.17 |