| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.68 | 0.05 |
| Feb | 1.69 | 1.71 | -0.02 |
| Mar | 2.24 | 2.24 | 0.00 |
| Apr | 3.58 | 3.48 | 0.10 |
| May | 4.56 | 4.74 | -0.18 |
| Jun | 4.86 | 4.66 | 0.20 |
| Jul | 3.93 | 3.76 | 0.17 |
| Aug | 3.94 | 3.90 | 0.04 |
| Sep | 3.44 | 3.36 | 0.08 |
| Oct | 3.01 | 2.96 | 0.05 |
| Nov | 2.42 | 2.30 | 0.12 |
| Dec | 2.00 | 1.98 | 0.02 |
37.40 | 36.77 | 0.63 |