| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.34 | 6.99 | 0.35 |
| Feb | 5.47 | 5.03 | 0.44 |
| Mar | 5.32 | 4.65 | 0.67 |
| Apr | 3.20 | 2.80 | 0.40 |
| May | 1.89 | 1.73 | 0.16 |
| Jun | 0.86 | 0.71 | 0.15 |
| Jul | 0.30 | 0.39 | -0.09 |
| Aug | 0.30 | 0.29 | 0.01 |
| Sep | 0.77 | 0.64 | 0.13 |
| Oct | 2.59 | 2.29 | 0.30 |
| Nov | 5.87 | 5.42 | 0.45 |
| Dec | 8.72 | 7.91 | 0.81 |
42.63 | 38.85 | 3.78 |