| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.35 | 0.08 |
| Feb | 4.08 | 4.18 | -0.10 |
| Mar | 4.40 | 4.29 | 0.11 |
| Apr | 3.53 | 3.66 | -0.13 |
| May | 2.80 | 2.76 | 0.04 |
| Jun | 4.48 | 4.57 | -0.09 |
| Jul | 4.59 | 4.85 | -0.26 |
| Aug | 4.85 | 4.64 | 0.21 |
| Sep | 3.70 | 3.67 | 0.03 |
| Oct | 2.67 | 2.56 | 0.11 |
| Nov | 2.95 | 2.86 | 0.09 |
| Dec | 4.52 | 4.40 | 0.12 |
47.00 | 46.79 | 0.21 |