| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.00 | -0.01 |
| Feb | 3.72 | 3.85 | -0.13 |
| Mar | 4.42 | 4.57 | -0.15 |
| Apr | 2.93 | 3.08 | -0.15 |
| May | 3.21 | 3.12 | 0.09 |
| Jun | 4.47 | 4.62 | -0.15 |
| Jul | 4.18 | 4.22 | -0.04 |
| Aug | 4.50 | 4.60 | -0.10 |
| Sep | 3.54 | 3.71 | -0.17 |
| Oct | 2.71 | 2.82 | -0.11 |
| Nov | 3.05 | 3.20 | -0.15 |
| Dec | 3.95 | 4.03 | -0.08 |
44.67 | 45.82 | -1.15 |