| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.56 | 0.02 |
| Feb | 1.78 | 1.81 | -0.03 |
| Mar | 2.47 | 2.28 | 0.19 |
| Apr | 3.80 | 3.76 | 0.04 |
| May | 4.70 | 4.85 | -0.15 |
| Jun | 4.81 | 4.71 | 0.10 |
| Jul | 3.87 | 3.85 | 0.02 |
| Aug | 3.81 | 3.66 | 0.15 |
| Sep | 3.58 | 3.64 | -0.06 |
| Oct | 2.91 | 2.77 | 0.14 |
| Nov | 2.43 | 2.36 | 0.07 |
| Dec | 1.99 | 1.95 | 0.04 |
37.73 | 37.20 | 0.53 |