| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.48 | -0.05 |
| Feb | 1.97 | 2.10 | -0.13 |
| Mar | 2.24 | 2.28 | -0.04 |
| Apr | 3.62 | 3.63 | -0.01 |
| May | 4.14 | 4.26 | -0.12 |
| Jun | 4.10 | 3.99 | 0.11 |
| Jul | 3.91 | 3.69 | 0.22 |
| Aug | 3.82 | 3.87 | -0.05 |
| Sep | 3.16 | 2.98 | 0.18 |
| Oct | 3.19 | 3.08 | 0.11 |
| Nov | 2.80 | 2.93 | -0.13 |
| Dec | 2.42 | 2.31 | 0.11 |
37.80 | 37.60 | 0.20 |