| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.19 | 1.24 | -0.05 |
| Feb | 1.50 | 1.48 | 0.02 |
| Mar | 2.30 | 2.26 | 0.04 |
| Apr | 3.73 | 3.63 | 0.10 |
| May | 4.99 | 4.88 | 0.11 |
| Jun | 5.17 | 5.12 | 0.05 |
| Jul | 4.10 | 4.09 | 0.01 |
| Aug | 4.25 | 4.15 | 0.10 |
| Sep | 3.61 | 3.43 | 0.18 |
| Oct | 3.03 | 2.86 | 0.17 |
| Nov | 2.19 | 2.15 | 0.04 |
| Dec | 1.61 | 1.66 | -0.05 |
37.67 | 36.95 | 0.72 |