| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.80 | 0.74 | 0.06 |
| Mar | 1.52 | 1.47 | 0.05 |
| Apr | 2.62 | 2.60 | 0.02 |
| May | 3.77 | 3.81 | -0.04 |
| Jun | 4.13 | 4.25 | -0.12 |
| Jul | 4.00 | 3.86 | 0.14 |
| Aug | 3.95 | 3.94 | 0.01 |
| Sep | 2.93 | 3.04 | -0.11 |
| Oct | 2.60 | 2.64 | -0.04 |
| Nov | 1.39 | 1.34 | 0.05 |
| Dec | 0.91 | 0.92 | -0.01 |
29.33 | 29.29 | 0.04 |