| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.26 | 0.04 |
| Feb | 2.95 | 2.89 | 0.06 |
| Mar | 3.45 | 3.33 | 0.12 |
| Apr | 3.72 | 3.56 | 0.16 |
| May | 3.65 | 3.60 | 0.05 |
| Jun | 4.52 | 4.32 | 0.20 |
| Jul | 4.32 | 4.22 | 0.10 |
| Aug | 4.26 | 4.26 | 0.00 |
| Sep | 4.19 | 4.04 | 0.15 |
| Oct | 4.76 | 4.94 | -0.18 |
| Nov | 3.54 | 3.53 | 0.01 |
| Dec | 4.20 | 4.15 | 0.05 |
46.86 | 46.10 | 0.76 |