| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.73 | -0.40 |
| Feb | 1.88 | 2.11 | -0.23 |
| Mar | 2.15 | 2.38 | -0.23 |
| Apr | 3.35 | 3.52 | -0.17 |
| May | 4.11 | 4.21 | -0.10 |
| Jun | 3.95 | 3.76 | 0.19 |
| Jul | 3.62 | 3.60 | 0.02 |
| Aug | 3.71 | 3.91 | -0.20 |
| Sep | 3.34 | 3.27 | 0.07 |
| Oct | 3.70 | 3.86 | -0.16 |
| Nov | 2.64 | 2.86 | -0.22 |
| Dec | 2.20 | 2.51 | -0.31 |
36.98 | 38.72 | -1.74 |