| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.64 | -0.06 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.12 | 1.06 | 0.06 |
| Apr | 2.22 | 2.24 | -0.02 |
| May | 3.09 | 2.93 | 0.16 |
| Jun | 4.04 | 3.91 | 0.13 |
| Jul | 3.48 | 3.19 | 0.29 |
| Aug | 2.99 | 2.94 | 0.05 |
| Sep | 2.60 | 2.47 | 0.13 |
| Oct | 2.10 | 2.14 | -0.04 |
| Nov | 0.85 | 0.85 | 0.00 |
| Dec | 0.67 | 0.66 | 0.01 |
24.38 | 23.64 | 0.74 |